Apple has released MacBook Air EFI Firmware Update 2.9.1 for download.
This update replaces EFI Firmware Update 2.9 and is recommended for MacBook Air (Mid 2011) models. This update addresses an issue where systems may take longer to wake from sleep than expected and fixes a rare issue that may cause fans to run at full speed after waking from sleep.
You can get the update by selecting Software Update from the Apple menu at the top left of your screen or by visiting the link below.
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This update replaces EFI Firmware Update 2.9 and is recommended for MacBook Air (Mid 2011) models. This update addresses an issue where systems may take longer to wake from sleep than expected and fixes a rare issue that may cause fans to run at full speed after waking from sleep.
You can get the update by selecting Software Update from the Apple menu at the top left of your screen or by visiting the link below.
Read More